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July 5th, 2026 :: 2:07 am CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated July 5th at 12:54 am 
mist
Temperature:70°F Dew Point:70°F
Barometer:29.95 inHg Wind:calm
Humidity:100.0% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jul 5th
Monday
Jul 6th
Tuesday
Jul 7th
Wednesday
Jul 8th
Thursday
Jul 9th
Mostly Sunny Sunny Sunny Mostly Sunny Mix of Cloud and Sun
80°F
79°F
62°F
79°F
60°F
82°F
64°F
79°F
70°F
 
 Decatur Detailed Weather Forecast  
 
Sunday, July 5th, 2026
Overnight Temperature: 68°F
A mix of clear and cloudy skies.
Morning Temperature: 71°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 79°F
A mix of sun and cloud with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 72°F
Clear with a slight chance of showers or thundershowers. Windy at times.
Monday, July 6th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 69°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
Mostly sunny. Windy at times.
Evening Temperature: 70°F
Clear. Slight chance of a thunderstorm.
Tuesday, July 7th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 67°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 72°F
Clear.
Wednesday, July 8th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 82°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 76°F
Clear with cloudy periods with a slight chance of showers or thundershowers.
Thursday, July 9th, 2026
Overnight Temperature: 70°F
Mostly cloudy with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 71°F
A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 79°F
A mix of sun and cloud with a chance of showers or thundershowers.
Evening Temperature: 73°F
Clear with cloudy periods with a chance of showers or thundershowers.
Friday, July 10th, 2026
Overnight Temperature: 67°F
A mix of cloudy and clear skies.
Morning Temperature: 68°F
A mix of cloud and sun.
Afternoon Temperature: 79°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 75°F
Clear with a chance of showers or thundershowers.
Saturday, July 11th, 2026
Overnight Temperature: 71°F
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 76°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 77°F
Clear with a chance of showers or thundershowers. Windy at times.
Sunday, July 12th, 2026
Overnight Temperature: 66°F
Clear with a slight chance of showers.
Morning Temperature: 69°F
Sunny. Windy at times.
Afternoon Temperature: 79°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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